#include <stdio.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>

int main(int argc, char *argv[])
{
    int fd;
    fd = open("/sys/devices/platform/syschr/syschrdev",O_RDONLY);
    read(fd, NULL, 0, 0);
    close(fd);

    return 0;
}
